Monthly Archives: August 2014

Off to the UK next week for a show, a little business and to catch up with old acquaintances from my previous life 10 years ago, mainly in Manchester, London and Cheltenham. Those who know me know I hate flying … Continue reading →

http://www.seeedstudio.com/depot/WiFi-Serial-Transceiver-Module-w-ESP8266-p-1994.html Yes, the price is $6.95 for a wifi module with on board TCP stack and low power management.. No stock of course and Chinese documentation only but its real and not vapourware or some powerpoint presentation by the look … Continue reading →

Optics (Like Mechanics) is a bitch, well for me anyway! The latest problem I have overcome is the positioning of the barcode scanner, being far too keen to get into the electronics part of the MT700 scanner datasheet I skipped … Continue reading →

PCB Rev 2 is working quite well. I have written the “drivers” (I guess thats the term!) for the Graphical LCD, barcode, Keyboard, RFID and Wifi. All said modules are working (though not in any way cohesively) however mechanically the … Continue reading →

OK so I have now found out the USR Wifi232-S Low power module, which has the following specs on the web site does not actually have a standby mode.Unfortunately my evaluation of the unit did not include checking sleep current so … Continue reading →

Just a quick update, the revision 2 PCB is back from seeed studios (where EasyEda make their boards) and I’ve assembled most of it minus a couple of components I’m still waiting for, I’ve managed to power it on and … Continue reading →